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Finding the Fourth Proportional to 56,634.91, 84,980.91 and 40,101.19

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Solution

The fourth proportional to 56,634.91, 84,980.91 and 40,101.19 is: 60,172.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634.91 : 84,980.91 = 40,101.19 : x
  2. Step 2: Convert to fraction form
    56,634.91/84,980.91 = 40,101.19/x
  3. Step 3: Cross multiply
    56,634.91x = 84,980.91 × 40,101.19
  4. Step 4: Simplify right side
    56,634.91x = 3,407,835,618.28
  5. Step 5: Solve for x
    x = 3,407,835,618.28/56,634.91
  6. Step 6: Final answer
    x = 60,172.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.